diff --git a/src/fr/impl/ConfigurationImpl.java b/src/fr/impl/ConfigurationImpl.java
index d501ddb..f467cc0 100644
--- a/src/fr/impl/ConfigurationImpl.java
+++ b/src/fr/impl/ConfigurationImpl.java
@@ -13,7 +13,10 @@ public class ConfigurationImpl implements Configuration {
     private Set<Part> selectedParts;
     private CompatibilityManager compatibilityManager;
     private static int NB_CATEGORY = 4;
-         
+    
+    public ConfigurationImpl(CompatibilityManager cm){
+        this.compatibilityManager=cm;
+    }
 
     @Override
     public boolean isValid() {